Complexation and Fluorescence Enhancement ofBay-site CarboxylModifiedPeryleneDimidewithCalciumIon

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（1.，CollgeofMaterialsScienceandEngineering， ，Shanghai 201620，China； 2. ，，Yunfu52730o，China） CorrespondingAuthors，E-mail：2170364@mail.dhu.edu.cn；sunbin@dhu.edu.cn

Abstract：Bay-site carboxyl functionalized perylene diimide derivative -COOH-PDI-C （PDI-COOH） was synthesizedand distinct enhanced fluorescence was observed through combining withcalcium ion（Ca²）in THF/H O solution.The assembly and fluorescence behavior of PDI-COOH/Ca² were studied in detail by changing hydration state withdiferent concentrations，Based on the diferences inassembly morphologyand stoichiometric ratios of PDI（204号 ，we proposed the fluorescence emission mechanism of PDI-COOH/Ca²+ in THF/H O and THF，respec tively.This work revealsanovelstrategyofaggregated state fluorescence enhancementandremindsusof theimportant role of water in molecular fluorescence emission and assembly.

KeyWords：carboxyl functionalized；fluorescence behavior；perylene diimide；photoinduced electron transfer effect;calciumion

CLCnumber：O482.31 Document code：A

DOI：10.37188/CJL.20240275 CSTR：32170.14.CJL.20240275

羧基改性苝酰亚胺与钙离子的络合组装及荧光增强

顾丹丹¹，赵浩儒¹，江晓泽¹，齐浩含¹，廖作桂²，陈珈¹*，孙宾1*（1.东华大学材料科学与工程学院，纤维材料改性国家重点实验室，上海201620;2.广东壹诺科技股份有限公司，广东云浮527300）

摘要：合成了湾位羧基化的苝酰亚胺衍生物1，7-COOH-PDI ，并在 溶液中与钙离子中 结合，观察到独特的荧光增强现象。（剩余27591字）